A bathroom renovation can completely transform one of the most frequently used rooms in your home.
Whether you are replacing a tired bathroom, creating an en-suite or redesigning the room from the ground up, the best results come from thinking about far more than tiles and sanitaryware.
Layout, plumbing, ventilation, heating, lighting and waterproofing all need to work together if the finished bathroom is going to look good and perform properly for years to come.
Start With the Layout
Before choosing a bath, shower or vanity unit, think about whether the existing layout actually works.
Moving plumbing can add cost, but sometimes a better layout is worth the extra work.
Consider:
- Door position
- Window position
- Bath or shower location
- Toilet position
- Vanity and storage
- Clearance around fittings
- How people move through the room
A bathroom that looks impressive but feels cramped will quickly become frustrating to use.
Think Carefully About Plumbing
Plumbing has a major influence on what is practical.
Existing water supplies and waste pipes can sometimes be reused, but moving fixtures may require changes beneath floors or inside walls.
Drainage is especially important because waste pipes need suitable falls and routes.
It is worth understanding these constraints before finalising the layout.
Ventilation Is Essential
Bathrooms generate large amounts of moisture, so ventilation should never be treated as an afterthought.
Poor ventilation can contribute to condensation, mould and damage to finishes.
A suitable extractor fan is usually a key part of the design, particularly where the room has limited natural ventilation.
Plan Heating Early
Bathrooms need to feel warm and comfortable, but there is not always much wall space available for a traditional radiator.
Options may include:
- Heated towel rails
- Radiators
- Underfloor heating
- Electric underfloor heating
Underfloor heating can work particularly well in bathrooms because it keeps the floor comfortable while freeing up wall space.
You can also explore our heating systems if heating forms part of the renovation.
Lighting Needs More Than One Source
Bathroom lighting needs to be practical as well as attractive.
A combination of general lighting and more focused lighting around mirrors or vanity areas often works best.
Electrical fittings also need to be appropriate for their position within a bathroom.
Planning lighting before ceilings and walls are finished makes the final installation much neater.
Storage Makes a Big Difference
Bathrooms can become cluttered very quickly.
Good storage can keep toiletries, towels and cleaning products organised without taking over the room.
Options might include:
- Vanity units
- Wall cabinets
- Built-in shelving
- Recessed shower niches
- Mirrored cabinets
- Bespoke cabinetry
Waterproofing Matters
Areas around showers and baths need proper preparation before decorative finishes are installed.
Tiles themselves are not the complete waterproofing system.
Depending on the design, appropriate tanking or waterproof boards may be required behind the finished surface.
Getting the preparation right is far more important than simply choosing an expensive tile.
Choose Tiles for Practicality as Well as Appearance
Tiles have a huge influence on the finished look of a bathroom, but they also need to suit the area in which they are used.
Consider:
- Slip resistance
- Ease of cleaning
- Tile size
- Grout colour
- Maintenance
- How the tile works with the room size
Very large tiles can look fantastic, but they may require more preparation where walls and floors are uneven.
Bath, Shower or Both?
The right choice depends on the size of the room and how your household uses it.
A walk-in shower can make a bathroom feel more open, while a bath may still be important for families with young children.
If space allows, having both can provide the most flexibility.
Think About Accessibility
A bathroom renovation is a good opportunity to think about how easy the room will be to use in the future.
Features such as:
- Walk-in showers
- Low thresholds
- Wider access
- Suitable grab points
- Comfortable floor levels
can make the room more practical without making it look clinical.
Don't Forget the Small Details
Some of the most important decisions are the easiest to overlook.
Think about:
- Towel positions
- Toilet roll holders
- Shaving sockets
- Mirror lighting
- Hooks
- Shelves
- Shower controls
These details can make the difference between a bathroom that merely looks good and one that is genuinely pleasant to use.
Allow for Problems Hidden Behind the Old Bathroom
Until the existing bathroom is removed, it is not always possible to know exactly what is happening behind walls and beneath floors.
Older bathrooms can reveal:
- Water damage
- Rotten timber
- Old plumbing
- Damaged plasterboard
- Uneven floors
- Previous poor repairs
Allowing some contingency in the project budget makes these issues easier to deal with properly.
Coordinate the Trades Properly
A bathroom renovation can involve plumbing, electrics, carpentry, plastering, tiling, flooring and decorating.
These stages need to happen in the right order.
Coordinating the whole project avoids situations where one finished element has to be disturbed because another part of the work was overlooked.
Renovating Your Bathroom With Calico
A successful bathroom renovation is about much more than choosing attractive fittings.
The room needs to work properly behind the finished surfaces as well as look good once the project is complete.
At Calico, we can coordinate the complete bathroom renovation, including plumbing, electrics, carpentry, plastering, tiling, heating and the final finishes.
You can find out more about our kitchen and bathroom renovation services or explore our wider building renovation services.
Planning a Bathroom Renovation?
Talk to Calico about your existing bathroom and what you would like to achieve. We can help you plan a practical layout and coordinate the work from the initial strip-out through to the finished room.

